diff --git a/.github/workflows/streamlit-actions.yml b/.github/workflows/streamlit-actions.yml
index 27cfc7c..bbddb29 100644
--- a/.github/workflows/streamlit-actions.yml
+++ b/.github/workflows/streamlit-actions.yml
@@ -32,7 +32,7 @@ jobs:
         run: ruff check .
       
       - name: Analyze with Mypy
-        run: mypy --strict --jobs 4 $(git ls-files '*.py')
+        run: mypy --strict  $(git ls-files '*.py')
       
       - name: Run Streamlit app
         uses: streamlit/streamlit-app-action@v0.0.3
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..4473938
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,2 @@
+ruff
+mypy
diff --git a/requirements.txt b/requirements.txt
index fce75df..374db57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,6 @@ streamlit_drawable_canvas==0.8.0
 streamlit-option-menu
 gpxpy
 tqdm
-pygwalker
 pyproj
 kaleido
 numba